CN105034865A - Vehicle seat and method for manufacturing the same - Google Patents
Vehicle seat and method for manufacturing the same Download PDFInfo
- Publication number
- CN105034865A CN105034865A CN201510201139.7A CN201510201139A CN105034865A CN 105034865 A CN105034865 A CN 105034865A CN 201510201139 A CN201510201139 A CN 201510201139A CN 105034865 A CN105034865 A CN 105034865A
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- Prior art keywords
- recliner
- seat
- operative pin
- mentioned
- bar
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
- B60N2/235—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms
- B60N2/2352—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms with external pawls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
- B60N2/235—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms
- B60N2/2356—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms with internal pawls
- B60N2/236—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms with internal pawls linearly movable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2205/00—General mechanical or structural details
- B60N2205/50—Interlocking shaft arrangements transmitting movement between hinge mechanisms on both sides of a seat
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Seats For Vehicles (AREA)
Abstract
A vehicle seat includes paired right and left recliners; operating pins respectively inserted through the recliners in an axial direction, and rotated about axes thereof to respectively unlock the recliners; and a rod that integrally connects the operating pins. One operating pin includes an operating shaft portion inserted through, and connected to one recliner, and a connection portion that contacts the rod and is connected to the rod. An insertion depth of the operating shaft portion with respect to the one recliner can be changed by moving the operating shaft portion between a first position in which the connection portion contacts the rod to be connectable to the rod, and a second position in which the connection portion is away from the rod in the axial direction. The operating shaft portion is connected to the one recliner so as to operate the one recliner, in the first position.
Description
Technical field
The present invention relates to seat for vehicle and manufacture method thereof.Specifically, relate to a kind of seat for vehicle and manufacture method thereof, this seat for vehicle has: pair of right and left recliner, is linked by the matrix on the body side frame of the left and right sides of back of seat and floor respectively; Each operative pin, is inserted through each recliner vertically and is rotated the releasing operation carrying out each recliner by axle; And bar, link integral with one another for each operative pin.
Background technology
In the past, in vehicle seat used, there will be a known the structure (Japanese Unexamined Patent Publication 2-299608) that back of seat links with Chain cushion via pair of right and left recliner.Above-mentioned each recliner remains the fixing state (lock-out state) of the backrest angle of back of seat.The relieving rod that each recliner is passed through to arrange at the sidepiece of the vehicle outside of Chain cushion is by the operation lifted, and respective lock-out state is removed simultaneously, switches to the state of the backrest angle changing back of seat.Specifically, in each recliner, the operative pin carrying out the operation of their unblock is inserted from the inner side of axis respectively and assembles, these operative pins are joined integrally via bar each other, and in the end in the outside of the operative pin of vehicle outside, relieving rod is installed, operated by the lift of above-mentioned relieving rod thus, simultaneously axle rotation process is carried out to each operative pin and the lock-out state of each recliner is removed simultaneously.
In the above prior art, become each operative pin to be mounted to insert respectively inside seat and the structure of the state of locating to each body side frame of back of seat.Therefore, in order to each operative pin is located between each body side frame with the state of bar one, before by integral with one another for each body side frame link, each operative pin and bar structure integrally must be inserted to each body side frame.If not like this, bar cannot be inserted each operative pin, therefore can only being welded in them from the outside laminating of radial direction, except causing except the increase in the man-hour of the end flattening of bar etc., possibly suitably cannot improving the strength of connection with them.
Summary of the invention
Even if the operative pin of each recliner after by integral with one another for the body side frame of back of seat link, also can be inserted each body side frame and insertion rod and operative pin is connected to each other between which by the present invention from inner side.
First scheme of the present invention relates to a kind of seat for vehicle, has: pair of right and left recliner, is linked by the matrix on the body side frame of the left and right sides of back of seat and floor respectively; Each operative pin, is inserted through each recliner vertically and is rotated the releasing operation carrying out each recliner by axle; And bar, link integral with one another for each operative pin.A side in each operative pin becomes and arranges operating axis portion and connecting part in the axial direction and the structure that formed, and described operating axis portion inserts relative to a side of recliner and links inside the seat of axis, and described connecting part contacts with bar and links.Move with between the second place making connecting part be separated vertically from bar by making the primary importance that operating axis portion can make connecting part and bar contact in the mode that can link, and can change relative to recliner a side insert the degree of depth, operating axis portion becomes the state linked in the mode that can operate relative to a side of recliner in primary importance.
According to the program, a side in each operative pin becomes by making it move between above-mentioned primary importance and the second place, and the structure of inserting the degree of depth of the side relative to recliner can be changed, thus, even if after integral with one another for each body side frame of back of seat link, also the operative pin of each recliner can be inserted inside seat each body side frame and insertion rod and operative pin is connected to each other between which.
In such scheme, Ke Yishi, the operative pin for a side is formed with limiting unit, described limiting unit by the mobile restriction of the axis of the side relative to recliner in operating axis portion to the second place.
According to this structure, by limiting unit, can prevent the operative pin of a side from coming off outside a direction seat of recliner, above-mentioned assembling operation can be carried out easily.
In such scheme, Ke Yishi, each operative pin is made up of mutually the same parts.Can be, in each operative pin one square its operating axis portion that becomes can move with between the second place making connecting part be separated vertically in the primary importance that connecting part can be made to contact in the mode that can link relative to bar, relative to this, the opposing party in each operative pin be formed as operating axis portion the opposing party relative to recliner insert to be equivalent to the second place insert the degree of depth state under the structure that links with bar, the remaining part protruding outside at the other direction seat from recliner is provided with relieving rod, described relieving rod is for carrying out the releasing operation of the recliner of two sides.
According to this structure, even if the operative pin of a side and the operative pin of the opposing party are made up of mutually the same parts, also can avoid producing the region of stretching out outside seat redundantly from a side of recliner.Therefore, it is possible to seat for vehicle is formed in the direction of the width compactly.
Alternative plan of the present invention relates to a kind of manufacture method of seat for vehicle, and described seat for vehicle has: pair of right and left recliner, is linked by the matrix on the body side frame of the left and right sides of back of seat and floor respectively; Each operative pin, is inserted through each recliner vertically and is rotated the releasing operation carrying out each recliner by axle; And bar, link integral with one another for each operative pin.The manufacture method of this seat for vehicle comprises the steps: state assembled integrally with each other for the body side frame of the left and right sides of back of seat; Each operative pin is inserted relative to each recliner inside the seat of axis and links; Bar is made to contact with the side in each operative pin and link; And make the opposing party in each operative pin towards till making to slide into relative to the direction of inserting depth shallower of the recliner of correspondence the position contacted with bar, and link with bar.
According to the method, the opposing party in each operative pin by change relative to correspondence recliner insert the degree of depth, even if thus after by integral with one another for each body side frame of back of seat link, also can by the operative pin of each recliner from inserting each body side frame inside seat and operative pin is connected to each other to insertion rod between them.
Accompanying drawing explanation
The feature of embodiments of the present invention, advantage, technology and industrial significance are described as follows with reference to accompanying drawing, and wherein, identical label represents identical parts.
Fig. 1 is the block diagram of the schematic configuration of the seat for vehicle representing embodiment 1.
Fig. 2 is the II-II line cutaway view of Fig. 1.
Fig. 3 is the cutaway view representing the operative pin of each side and the number of assembling steps of bar.
Fig. 4 be the assembled portion of recliner from unilateral observation to exploded perspective view.
Fig. 5 is the exploded perspective view observed from opposite side of the assembled portion of recliner.
Fig. 6 be recliner from unilateral observation to exploded perspective view.
Fig. 7 is the exploded perspective view observed from opposite side of recliner.
Fig. 8 is the front view observed from ratchet side of recliner.
Fig. 9 is the IX-IX line cutaway view of the Fig. 2 of the lock-out state representing recliner.
Figure 10 is the cutaway view of the released state representing recliner.
Figure 11 is the front view of operative pin monomer.
Detailed description of the invention
Below, using accompanying drawing, illustrating for implementing mode of the present invention.
First, about seat 1 and the manufacture method thereof of embodiment 1, use Fig. 1 ~ Figure 11 to be described.As shown in Figure 1, the seat 1 of the present embodiment forms the co-pilot seat as self-propelled vehicle, possesses the back of seat 2 as the backrest of seated occupant and the Chain cushion 3 as the portion of taking one's seat.The bottom that above-mentioned back of seat 2 becomes its left and right sides is respectively via as the shaft device (piecing devices) of spline playing the recliner 4 of function and the structure linked with the rearward end of the left and right sides of Chain cushion 3.Thus, back of seat 2 remains the fixing state of its backrest angle by above-mentioned each recliner 4 all the time.And, the relieving rod 5 that back of seat 2 passes through to arrange at the sidepiece of the vehicle outside of Chain cushion 3 is by the operation lifted, and remove the stationary state of the backrest angle that above-mentioned each recliner 4 produces, switch to the state this backrest angle can being carried out along the longitudinal direction adjusting.At this, Chain cushion 3 is equivalent to " matrix " of the present invention.
Specifically, above-mentioned each recliner 4 is folded between the rearward end of each body side frame 3F of the skeleton in the bottom of each body side frame 2F of the skeleton in the left and right sides portion forming back of seat 2 and the left and right sides portion of formation Chain cushion 3 respectively, becomes they interconnected states (with reference to Fig. 2 ~ Fig. 5).Each body side frame 2F of above-mentioned back of seat 2 is arranged in the mode of the inner side being positioned at each body side frame 3F of Chain cushion 3, and become they separately between be folded with the state of recliner 4 respectively.
Each body side frame 2F of above-mentioned back of seat 2 sets up upper frame 2U integratedly between their upper end, between the bottom of each body side frame 2F, set up lower plate 2L integratedly, becomes and becomes main structure of assembling depending on the mode of roughly block form with entirety.Above-mentioned lower plate 2L becomes the shape that 1 steel board is bent into cross-sectional plane J shape, between the bottom being erected at two above-mentioned body side frame 2F, and is set to joined integrally in the state of two above-mentioned body side frame 2F securely by welding.Specifically, in above-mentioned lower plate 2L, the face, each edge of its left and right sides becomes laminating respectively and is welded in the state in the face, each edge to lateral buckling in seat of the rear side of above-mentioned each body side frame 2F, and the mode being set to make their edge to be difficult to externally stretch out is by the state of each body side frame 2F from outer side covers.
The J-shaped sigmoid of the cross-sectional plane of above-mentioned lower plate 2L becomes the shape along the circumference shape with fillet of the lower end side of each body side frame 2F, and is set to the state of the shape be assembled into along this circumference shape.Thus, lower plate 2L is set to and can protects the state of bar 8 connected to each other for the operative pin 7 of the described later each recliner 4 arranged between the bottom across each body side frame 2F side from below.
As shown in Figure 1, above-mentioned each recliner 4 is biased all the time and becomes the state remaining the lock-out state fixed by the backrest angle of back of seat 2.The relieving rod 5 that each recliner 4 is arranged by the sidepiece of the above-mentioned vehicle outside at Chain cushion 3, by the operation lifted, is removed their lock-out state simultaneously, thus is switched to the released state of the backrest angle that can change back of seat 2.
Specifically, at the central part of each recliner 4, the operative pin 7 of the releasing operation carrying out their lock-out state is inserted vertically and assembled, these operative pins 7 are mutually joined integrally via bar 8 each other, and in the end in the outside of the operative pin 7 of vehicle outside, relieving rod 5 is installed, simultaneously axle rotation process is carried out to each operative pin 7 by the operation of lift relieving rod 5 thus, thus simultaneously releasing operation is carried out to the lock-out state of each recliner 4.And, each recliner 4 by above-mentioned relieving rod 5 by the releasing of serviceability lifted, again return the fixing lock-out state of the backrest angle of back of seat 2 by force.
The retracing spring 6 of application force back of seat 2 being applied all the time to the direction that backspin forward turns is wrapping with respectively between the body side frame 2F of the left and right sides of above-mentioned back of seat 2 and the body side frame 3F of the left and right sides of Chain cushion 3.Above-mentioned retracing spring 6 is made up of disc spring respectively, the end card of their inner side is hung on the spring hook part 3Fc cut from each body side frame 3F of Chain cushion 3, and the end in their outside becomes card extension and is located at the state (with reference to Fig. 2) of the bracket 2Fc be combined with the lateral surface of each body side frame 2F of back of seat 2.
Under the rotating force played by above-mentioned retracing spring 6, the releasing of the stationary state of the backrest angle that back of seat 2 is produced by above-mentioned each recliner 4, rise to the back of seated occupant to the position touched, corresponding to seated occupant to make before and after its back inclination movement action and front and back freely adjust its backrest angle.By arranging such force application structure, the adjustment of the backrest angle of back of seat 2 can be carried out easily.
Above-mentioned back of seat 2 can rotate being set to from forward tilted positions to the rear inversion becoming the state poured into rearward becoming the posture state leaned forward towards Chain cushion 3 rotary area only.Wherein, the rotary area setting that position to the above-mentioned rear inversion of the state erected as the crow flies upward from the backrest angle becoming back of seat 2 is set to about 90 degree only operates as the lift by stopping relieving rod 5 and returns the rotary area of " ' locked ' zone " of the state that its backrest angle is fixed.And, even if the rotary area setting of position to above-mentioned forward tilted positions exceeding above-mentioned ' locked ' zone from the backrest angle of back of seat 2 to front side operates as stopping the lift of relieving rod 5 rotary area also not returning " free space " of the state that its backrest angle is fixed.
Each rotary area of above-mentioned ' locked ' zone or free space is formed by the rotary area of the ' locked ' zone or free space that are set in each recliner 4 described later respectively.By arranging the rotary area of above-mentioned free space, relieving rod 5 is operated under the state that people is not seated at seat 1, back of seat 2 is poured into the position in freedom of entry region by force, even if then do not continue to operate relieving rod 5, also can automatically be poured into above-mentioned forward tilted positions.
As shown in Fig. 4 ~ Fig. 5, above-mentioned each recliner 4 has the ratchet 10 be combined integratedly with the lateral surface of each body side frame 2F of above-mentioned back of seat 2 and the guiding piece 20 be combined integratedly with the medial surface of each body side frame 3F of Chain cushion 3, become by by the relative spin locking of above-mentioned ratchet 10 and guiding piece 20 or releasing, and by structure that the backrest angle of back of seat 2 is fixed or removed.
As shown in Figure 2, each operative pin 7 carrying out the releasing operation of the locking of above-mentioned each recliner 4 is made up of the parts being each same shape.At this, the recliner 4 to vehicle outside in each operative pin 7 is passed through and the operative pin 7 of the side arranged needs install the axial length (operating axis portion 7A described later) of the lengthwise of relieving rod 5 at it by the end at place.On the other hand, the recliner 4 to opposite side (vehicle interior side) pass through and the operative pin 7 arranged owing to not being install the structure of relieving rod 5, therefore do not need the axial length so grown.
But, to above-mentioned opposite side (vehicle interior side) though recliner 4 to pass through and the operative pin 7 arranged possesses the above-mentioned axial length (operating axis portion 7A described later) can installing the length of relieving rod 5, as shown in Figure 2 to 3, when the operative pin 7 of this side is inserted to bar 8 and links, link with bar 8 by making the depth of penetration for recliner 4 shoal, thus finally also can be set to the state suppressing shorter to stretching out outside seat.
Specifically, after each body side frame 2F of above-mentioned back of seat 2 engages with upper frame 2U or lower plate 2L and mutually assembles all-in-one-piece state, above-mentioned each operative pin 7 is inserted through each body side frame 2F and becomes the state of the inside being assembled in each recliner 4 from inner side.And, after the above-mentioned each operative pin 7 of assembling, the bar 8 for they being linked integratedly is inserted respectively from the inner side of axis in end (fitting portion 7B described later) to the inner side of each operative pin 7, by welding, and the state that the operative pin 7 forming each side links mutually integratedly with bar 8.
At this, although details is aftermentioned, but as shown in Figure 3, their operating axis portion 7A is inserted into the position (being equivalent to " second place " of the present invention) of inserting to greatest extent by above-mentioned each operative pin 7 to each body side frame 2F from the Inside To Outside of axis, each operating axis portion 7A becomes through and inserts the state of each recliner 4 thus, and become and side that their each end 8A, 8B of bar 8 links end each fitting portion 7B between width become the state more broadly vacated than the axial length of bar 8.Thus, above-mentioned each operative pin 7 by after each recliner 4, between the fitting portion 7B that bar 8 can be inserted each operative pin 7.
Now, the operating axis portion 7A of each operative pin 7 insert into respectively outside from each recliner 4 to axis that have from outstanding significantly more than long state.The remaining part of operative pin 7 in the front of its operating axis portion 7A being set to the vehicle outside in each operative pin 7 of the state of above-mentioned insertion installs the relieving rod 5 of the releasing operation for carrying out recliner 4.And, even if the remaining part of the front of the operating axis portion 7A of the operative pin of vehicle interior side 7 plays function with the operative pin 7 of this side to the direction of extracting from recliner 4 (axial inner side) mobile mode maintained the state of operating axis portion 7A insertion recliner 4 that also can continue.
Therefore, as shown in Figure 3, the end 8A of the side of above-mentioned bar 8 is embedded the fitting portion 7B of the operative pin 7 of vehicle outside, then, the operative pin 7 of vehicle interior side is moved to the direction of extracting from recliner 4 and this fitting portion 7B is embedded the end 8B of opposite side of bar 8, keeping under the state of recliner 4 that the operating axis portion 7A of the operative pin 7 of vehicle interior side is inserted this side thus, the state linked with bar 8 by two operative pins 7 can be formed as.At this, the operative pin 7 of above-mentioned vehicle interior side becomes the position its fitting portion 7B being embedded the state of the end 8B of bar 8 and is equivalent to " primary importance " of the present invention.By becoming such package assembly, even if the structure that the width between the length that each operative pin 7 and bar 8 link being become than each body side frame 2F of back of seat 2 is long, also can after they being assembled in integratedly each body side frame 2F (frame assembled operation) to them between insert and assemble (inserting operation).And, even if each operative pin 7 is made up of mutually the same parts, also the operative pin 7 of the vehicle interior side of not installing with relieving rod 5 can be arranged to stretch out laterally redundantly, seat 1 can be formed in the direction of the width compactly.
Below, above-mentioned each operative pin 7 and the concrete structure of each recliner 4 is described in detail.It should be noted that, each recliner 4 is in mutually symmetrical towards ground configuration, but the structure of essence is identical.Therefore, below, with them for representative, the structure of the recliner 4 being located at vehicle outside shown in instruction diagram 4 ~ Fig. 5.That is, as shown in Fig. 6 ~ Fig. 7, recliner 4 has: the ratchet 10 of the circular plate shape of mutually assembling vertically and guiding piece 20; Be assembled in 3 ratchets 30 (30A ~ 30C), rotating cam 40 and the hinge cam 50 between ratchet 10 and guiding piece 20; Be assembled in the locking spring 60 of the lateral surface of guiding piece 20; Across the peripheral ring 70 being formed as cylindrical shape of usheing to seat assembled between ratchet 10 and guiding piece 20.
As shown in Figure 6, ratchet 10 is formed as roughly rondelle shape, is formed along the axially cylindrically outstanding cylindrical portion 12 as the assembling direction to guiding piece 20 in the edge, periphery of this plectane main body 11.Above-mentioned cylindrical portion 12 is carried out half punch press process by the edge, periphery of plectane main body 11 along thickness of slab direction, becomes thus and is formed to the equidirectional shape that cylindrically extrudes.The inner peripheral surface of this cylindrical portion 12 is formed interior denture 12A, and each outer denture 31 that the outer peripheral face that this interior denture 12A can press each ratchet 30 described later from the inner side of radial direction is respectively formed also engages.Above-mentioned interior denture 12A is formed in the roughly complete cycle in the inner peripheral surface region of cylindrical portion 12, becomes the structure that multiple internal tooth is in a circumferential direction formed with 2 degree of spacing arrangements.And being formed towards the inner side of radial direction in the region at 1 position of circumferencial direction of the cylindrical portion 12 not forming above-mentioned interior denture 12A is the ascending part 12B that gives prominence to of level and smooth circular arc planar ground.Above-mentioned ascending part 12B is formed to become the shape more outstanding to the inner side of radial direction than interior denture 12A, forms the rotary area making each ratchet 30 and the out of mesh free space of interior denture 12A described later.
And, be formed with at the central part of the plectane main body 11 of above-mentioned ratchet 10 the through hole 11A that ground is through in circular hole.In this through hole 11A, insert from the inner side of axis and insert and the operative pin 7 assembled to hinge cam 50 described later.And as shown in Fig. 7 ~ Fig. 8, on the lateral surface of the plectane main body 11 of above-mentioned ratchet 10,4 the dowel 11B given prominence in oval shape become the state along the circumferential direction equally spaced arranging formation.These dowels 11B is formed by carrying out half punch press process along thickness of slab direction by a part for the plectane main body 11 of ratchet 10.As shown in Figure 4, when the lateral surface of the plectane main body 11 by ratchet 10 is fitted and is incorporated into the lateral surface of body side frame 2F of back of seat 2, these dowels 11B as embed respectively be formed at body side frame 2F 4 each dowel hole 2Fa in and the joint portion joined integrally by welding plays function.Also be formed with the through hole 2Fb of circular hole at the body side frame 2F of above-mentioned back of seat 2, pass through from the Inside To Outside of axis to make the operating axis portion 7A of above-mentioned operative pin 7.
As shown in Fig. 6 ~ Fig. 7, guiding piece 20 is formed as the roughly rondelle shape of the external diameter with a circle larger than above-mentioned ratchet 10, is formed with axially cylindrically the outstanding cylindrical portion 22 along the assembling direction become to ratchet 10 in the edge, periphery of this plectane main body 21.Above-mentioned cylindrical portion 22 is formed as the size that gently can embed the cylindrical portion 12 of ratchet 10 in its cylinder interior.Above-mentioned guiding piece 20 by being embedded in above-mentioned cylindrical portion 22 and assembling the cylindrical portion 12 of ratchet 10, and become with the cylindrical portion 12 of ratchet 10 mutually inside and outside gently chimeric state, being assembled into mutually can the inside and outside state supported mutually with the relative rotation.And, above-mentioned guiding piece 20, by stepping up the peripheral ring described later 70 stated and assemble between the cylindrical portion 12 of cylindrical portion 22 and ratchet 10 from outer circumferential side, can be assembled into the state (with reference to Fig. 2 ~ Fig. 5) preventing from coming off vertically with the relative rotation in the mutual mode of sliding in circular plate shape relative to ratchet 10.
The through hole 21A that ground is through in circular hole is formed at the central part of the plectane main body 21 of above-mentioned guiding piece 20.In the inside of above-mentioned through hole 21A, the axle portion 52 of hinge cam 50 described later from the Inside To Outside of axis insert and pivot prop up into can the state that rotates of axle.And as shown in Figure 6, on the lateral surface of the plectane main body 21 of above-mentioned guiding piece 20,3 the dowel 21B given prominence in oval shape are set to the interval of each 90 degree spaced apart in the circumferential direction and the state formed.Specifically, the circumferential area of the formation of each dowel 21B on the lateral surface of the plectane main body 21 of guiding piece 20 3 ratchet accepting groove 24A described later forms each 1 respectively.
Above-mentioned each dowel 21B carries out half punch press process by a part for the plectane main body 21 by guiding piece 20 along thickness of slab direction and is formed.As shown in Figure 5, the lateral surface that the lateral surface of the plectane main body 21 by guiding piece 20 fits in the body side frame 3F of Chain cushion 3 in conjunction with time, these dowels 21B as embed respectively be formed at body side frame 3F 3 dowel hole 3Fa in and play function by the joint portion of welded combination.The through hole 3Fb making the operating axis portion 7A of aforesaid operative pin 7 and lead to outside at the locking spring 60 described later that the lateral surface of the plectane main body 21 of guiding piece 20 assembles respectively from the inner side of axis is also formed at the body side frame 3F of above-mentioned Chain cushion 3.
In addition, as shown in Figure 7, be formed in the position at 4 positions of the circumferencial direction of the medial surface of the plectane main body 21 of above-mentioned guiding piece 20 along the axis as the assembling direction to ratchet 10 be the outstanding guiding wall of fan shape 23.These guiding walls 23 carry out half punch press process by a part for the plectane main body 21 to guiding piece 20 along thickness of slab direction, and are squeezed in the direction in which and are formed towards the fan shape of the outer expandable shape of radial direction.Further, as shown in Figure 7, by the formation of above-mentioned each guiding wall 23, between the configuration of the circumferencial direction of each guiding wall 23, region forms the ratchet accepting groove 24A that can accommodate the concavity of 3 ratchets 30 described later respectively in inside.Above-mentioned each guiding wall 23 is to make each ratchet 30 of installing in above-mentioned each ratchet accepting groove 24A respectively only to the mode of foreign side's movement in radial direction from the two-side supporting of circumferencial direction.And, by the formation of above-mentioned each guiding wall 23, form the cam accepting groove 24B of concavity rotating cam 40 described later can being accommodated into the state that axle rotates in inside in the central part region of the guiding piece 20 surrounded by each guiding wall 23.
In addition, in above-mentioned 4 guiding walls 23, ratchet 30 is not configured between diagram on the upside of 2 guiding walls 23 formed respectively and the rotating cam 40 be installed in above-mentioned cam accepting groove 24B can be fitted and the extension portion 23A supported from outer circumferential side.By the supporting of these extension portion 23A, rotating cam 40 supports ratchet 30 described later in the position at depart from 3 positions of its circumferencial direction from the inner side of radial direction, even if be subject to the effect of the counter-force of the deflection to diagram upper side thus, the state (with reference to Fig. 9) of equilibrium of forces also can be remained.
3 ratchet accepting groove 24A that region is formed between the configuration of the circumferencial direction of above-mentioned each guiding wall 23 and the part of guiding groove 24 formed in the shape that the cam accepting groove 24B that the central part of guiding piece 20 is formed becomes opposing recesses respectively as the extrusion molding by above-mentioned each guiding wall 23, become the shape that mutually caves in planar together and formed.Like this, at above-mentioned guiding piece 20, and 3 ratchets 30 assembled between ratchet 10, rotating cam 40, hinge cam 50 are assembled into respectively by the state supported.
In addition, as shown in Figure 7, at the lateral surface of the plectane main body 21 of above-mentioned guiding piece 20, the outstanding spring hook part 25 being formed with the end hanging the outside of locking spring 60 described later for card.Above-mentioned spring hook part 25 is carried out half punch press process by a part for the plectane main body 21 by guiding piece 20 along thickness of slab direction and is formed.Above-mentioned spring hook part 25 is formed on the lateral surface of above-mentioned plectane main body 21 and the interval of each 90 degree spaced apart in the circumferential direction and 3 the dowel 21B formed become mutually the position (and the position at the interval of each 90 degree spaced apart in the circumferential direction of adjacent 2 dowel 21B) of equally spaced configuration.Above-mentioned spring hook part 25 becomes the shape at pars intermedia with the necking down of the end in the outside of card extension locking spring 60 described later.
As shown in Fig. 7 and Fig. 9,3 ratchets 30 are accommodated respectively and are assembled in each ratchet accepting groove 24A of being formed at the medial surface of the plectane main body 21 of guiding piece 20.By above-mentioned assembling, each ratchet 30 is supported in a circumferential direction and only can moves to foreign side in radial direction relative to the shape of guiding piece 20 along each ratchet accepting groove 24A.As shown in Fig. 9 ~ Figure 10, each ratchet 30 is being contained under the state in above-mentioned each ratchet accepting groove 24A, and in the position of the mobile destination in their outside to radial direction, the interior denture 12A be formed on the inner peripheral surface of the cylindrical portion 12 of ratchet 10 exposes.
As shown in Fig. 6 ~ Fig. 7, on the outer peripheral face of above-mentioned each ratchet 30, be formed with the outer denture 31 that can engage with denture 12A in above-mentioned ratchet 10 respectively.Each outer denture 31 is along the circumferential direction formed with multiple external tooth with 2 degree of spacing arrangements on the outer peripheral face in arc surface sigmoid of each ratchet 30.As shown in Fig. 9 ~ Figure 10, the rotating cam 40 installed at the central part of guiding piece 20 is carried out axle rotation process, and the mode that above-mentioned thus each ratchet 30 extrude (with reference to Fig. 9) by this rotating cam 40 with the outside to radial direction or retracts (reference Figure 10) is to the inside operated.
As shown in Figure 9, each ratchet 30 is extruded by the outside to radial direction by the rotation of rotating cam 40, and the outer denture 31 formed at the outer peripheral face of each ratchet 30 is thus pressed against denture 12A in ratchet 10 and becomes the state of engagement.Thus, each ratchet 30 becomes along hand of rotation and ratchet 10 state joined integrally, becomes the state of the relative spin locking between ratchet 10 with guiding piece 20 via each ratchet 30.Namely, each ratchet 30 is with the relation of guiding piece 20, only can be moved to foreign side in radial direction by the supporting of the circumferencial direction of above-mentioned each guiding wall 23 generation, therefore engage with ratchet 10 and the state becoming to be integrated along hand of rotation, each ratchet 30 plays function in the mode of the spin locking relative to guiding piece 20 by ratchet 10 thus.
In addition, as shown in Figure 10, each ratchet 30 is retracted by the inner side to radial direction by the rotation of rotating cam 40, and each ratchet 30 comes off from the engagement of denture 12A in ratchet 10.Thus, the status releasing that above-mentioned ratchet 10 is locked with the relative rotation between guiding piece 20, switches to the state that ratchet 10 can rotate mutually relatively with guiding piece 20.Above-mentioned each ratchet 30 is formed as having the U-shaped shape towards 2 legs 32 of the inner side elongated shape of radial direction respectively, is formed from the outstanding hook part 33 of one-sided leg 32 in the inside of each U-shaped.
As shown in Figure 9, by the rotation of rotating cam 40, their leg 32 is pressed by the inner side of rotating cam 40 from radial direction each ratchet 30, is extruded thus by the outside to radial direction.And each ratchet 30 as shown in Figure 10, is rotated to direction contrary to the above by rotating cam 40, and their hook part 33 is drawn in the inner side of radial direction by the hook 44 of rotating cam 40, thus is retracted by the inner side to radial direction.
Rotating cam 40 in fig .9 as described above, becomes collecting and is assembled in the state in the cam accepting groove 24B that formed at the medial surface of the plectane main body 21 of guiding piece 20.Above-mentioned rotating cam 40 is assembled in its central part hinge cam described later 50 by inserting supports as can carry out axle rotation relative to guiding piece 20.Above-mentioned rotating cam 40 is formed as having the shape with the thickness of above-mentioned each ratchet 30 same degree, being contained under the state in above-mentioned cam accepting groove 24B (with reference to Fig. 7), is configured at the position identical in the axial direction with each ratchet 30.
Above-mentioned rotating cam 40 as shown in Fig. 9 ~ Figure 10, with each face of the diagram left and right sides faced by this each ratchet 30 and downside on be formed: the recess 42 that the leg 32 of each ratchet 30 enters respectively can be made; Respectively by the shoulder 43 that the mode that the leg 32 of each ratchet 30 entered in each recess 42 extrudes to the outside of radial direction makes it up by the spinning movement of rotating cam 40; The hook 44 that each ratchet 30 to be drawn in inner side by the hook part 33 being hung on each ratchet 30 is blocked respectively to reciprocal spinning movement by rotating cam 40.
In the through hole 41 of central part being formed at above-mentioned rotating cam 40, the operating portion 53 of hinge cam 50 described later is assembled vertically in the mode becoming to be integrated along hand of rotation and installs.Specifically, above-mentioned through hole 41 is formed as dog hole shape, is formed as hook-shaped operating portion 53 by assembling hinge cam 50, and above-mentioned through hole 41 is assembled in the mode of the state becoming to be integrated along hand of rotation with this operating portion 53 thus.By above-mentioned assembling, rotating cam 40 is carried out the action of axle rotation process by above-mentioned hinge cam 50 to the side of hand of rotation or opposite side, becomes carried out rotation process integratedly with hinge cam 50.
As shown in Figure 9, above-mentioned hinge cam 50 becomes the state being rotated force by locking spring 60 described later to diagram clockwise direction all the time, and above-mentioned rotating cam 40 remains to equidirectional by the state pushed back thus.Thus, the outside of the leg 32 of each ratchet 30 respectively to radial direction is extruded by each shoulder 43 formed on each face of its left and right sides and downside by rotating cam 40, each ratchet 30 is engaged with the interior denture 12A of ratchet 10, remains the state of the spin locking of recliner 4.
Above-mentioned hinge cam 50 by relieving rod 5 (with reference to Fig. 1) lift operation and carried out axle rotation process by the opposite sense to above-mentioned force direction, thus as shown in Figure 10, above-mentioned rotating cam 40 carries out rotation process by the operating portion 53 of hinge cam 50 to diagram anticlockwise direction.Thus, each recess 42 that each face of the left and right sides of rotating cam 40 and downside is formed is while mobile to position (position of the inner side of radial direction) immediately below the leg 32 of each ratchet 30, the each hook 44 extended from each face is while the hook part 33 to each ratchet 30 blocks extension with deepening respectively gradually, each ratchet 30 is drawn in the inner side of radial direction, is formed as the state come off from the engagement with ratchet 10.Thus, the lock-out state of recliner 4 is become by the state removed.And, rotating cam 40 is by means of the operating portion 53 returning the application force again bearing self-locking spring 60 and the hinge cam 50 rotated of the operation of above-mentioned relieving rod 5, rotate to diagram clockwise direction, return the state (making recliner 4 be the state of spin locking) that each ratchet 30 is engaged with the interior denture 12A of ratchet 10.
At this, in the ratchet accepting groove 24A of the downside shown in Fig. 9 ~ Figure 10 in above-mentioned 3 ratchets 30 (30A ~ 30C), the ratchet 30A of configuration is formed by being along the circumferential direction divided into two-part first 30A1 and second 30A2 obliquely.By becoming such structure, ratchet 30A as shown in Figure 9, when being extruded from inner side by above-mentioned rotating cam 40 and its denture 31 is engaged with denture 12A in ratchet 10, first 30A1 and second 30A2 is become with the guiding wall 23 about being pressed against to the mode pressed off outside two the loosening state that inhibit circumferencial direction.
As shown in Fig. 6 ~ Fig. 7, hinge cam 50 forms the axle portion 52 as the spring hook part 51 of square tube shape, drum, the part at circumferencial direction arrange formation vertically shaft component to the operating portion 53 with square configuration protruding outside of radial direction.Through hole 50A through is vertically formed at the central part of above-mentioned hinge cam 50.Above-mentioned through hole 50A is formed as cross-sectional plane in prolonging oblong oval shape (Japanese gold coin type) through hole shape.The spring hook part 51 of above-mentioned hinge cam 50 is passed through from the inner side of axis together with axle portion 52 in the through hole 21A that the central part of guiding piece 20 is formed, be locked to the position of the medial surface of the plectane main body 21 of guiding piece 20 thus to touching at operating portion 53, spring hook part 51 projects to the outside of the axis of guiding piece 20, axle portion 52 is embedded in into the through hole 21A of guiding piece 20 state can carrying out axle rotation, thus above-mentioned hinge cam 50 is assemblied in guiding piece 20.
And, on the peripheral part of the quadrangle form of the spring hook part 51 protruding outside of the axis to guiding piece 20 of above-mentioned hinge cam 50, the end being wound into the inner side of quadrangle form of locking spring 60 embeds and is wrapping with all-in-one-piece state along hand of rotation.As shown in Figure 5, above-mentioned locking spring 60 is made up of disc spring, be configured in the lateral surface of guiding piece 20, the end card inside it is hung on the spring hook part 51 of above-mentioned hinge cam 50, and the end card in outside is hung on the spring hook part 25 of giving prominence to formation at the lateral surface of guiding piece 20.Thus, lock spring 60 hinge cam 50 is played all the time to make rotating cam 40 relative to guiding piece 20 to the application force locking the direction of work and rotate.
And, as shown in Fig. 6 ~ Fig. 7, in the through hole 50A of central part being assembled in the hinge cam 50 between above-mentioned ratchet 10 and guiding piece 20, the operative pin 7 for carrying out the axle rotation process of hinge cam 50 inserts toward the outer side from the inner side of axis and links along hand of rotation one.At this, the above-mentioned operative pin 7 passed through in the recliner 4 of vehicle outside is made up of mutually the same parts as described above with the operative pin 7 passed through in the recliner 4 of vehicle interior side.Specifically, as shown in Fig. 6 ~ Fig. 7 and Figure 11, the mode of the fitting portion 7B that each operative pin 7 positional alignment be formed as on coaxial line is had the operating axis portion 7A linked by each recliner 4 from the inner side of axis, each end 8A, the 8B embedding bar 8 and links.At this, fitting portion 7B is equivalent to " connecting part " of the present invention and " limiting unit ".
Above-mentioned operating axis portion 7A is formed as shape that have the shape of cross section of the oval shape (Japanese gold coin type) same with the through hole 50A of the hinge cam 50 of above-mentioned recliner 4, that evenly extend vertically.Thus, operating axis portion 7A inserts in the through hole 50A of above-mentioned hinge cam 50 vertically, embeds thus and link all-in-one-piece state in this through hole 50A along hand of rotation.And fitting portion 7B is formed as the cylindrical shape to side opening in axis of the external diameter with a circle larger than above-mentioned operating axis portion 7A.Above-mentioned fitting portion 7B, in this cylinder, becomes and receives each end 8A, 8B of the bar 8 of above-mentioned round tube shape vertically and can make its chimeric shape.Specifically, the shape of the above-mentioned fitting portion 7B state that is formed as making each end 8A, 8B of above-mentioned bar 8 to rotate at the embedded synthesis axle of its cylinder.
Above-mentioned fitting portion 7B is making after each end 8A, 8B of above-mentioned bar 8 be embedded in above-mentioned cylinder, by welding above-mentioned chimeric position, and to become the state linked with bar 8 one.Such fitting portion 7B becomes the structure of the state that each end 8A, 8B of bar 8 are rotated in the embedded synthesis of above-mentioned cylinder, each operative pin 7 is when their operating axis portion 7A inserts and is assembled in the through hole 50A of hinge cam 50 thus, loosening of the hand of rotation produced between through hole 50A is become along hand of rotation blocking the state avoiding loosening respectively, each fitting portion 7B integrally can be linked to bar 8.Each operative pin 7 is welded in bar 8 integratedly with the state after the loosening filling of hand of rotation as described above, and mutual thus do not have the state of the skew of operating position to be linked to bar 8 with left and right.
Specifically, above-mentioned each operative pin 7 is from after the recliner 4 of each side is inserted in the inner side of axis as following, and via bar 8, one links mutually.That is, the operating axis portion 7A of each operative pin 7 be inserted into the central part of the hinge cam 50 of recliner 4 respectively from the through hole 2Fb of each body side frame 2F being formed at above-mentioned back of seat 2 through hole 50A in (inserting operation).The movement of the direction of insertion of aforesaid operations axle portion 7A be restricted to respectively above-mentioned each fitting portion 7B by be formed at each body side frame 2F of back of seat 2 through hole 2Fb and to the position (being equivalent to the position of " second place " of the present invention) of the lateral surface touched in recliner 4.Above-mentioned each operative pin 7 is inserted to above-mentioned restriction site (second place) respectively, each operating axis portion 7A through each recliner 4 respectively thus, insert into outside from each recliner 4 to axis that have from outstanding significantly more than long state (reference Fig. 3).
By this insertion, each operative pin 7 becomes the state that the width W between their fitting portion 7B more broadly separates than the axial length of bar 8.Thus, become bar 8 can be made by the state in the gap between the fitting portion 7B of above-mentioned each operative pin 7.And, bar 8 passes through in the gap between above-mentioned fitting portion 7B, in the fitting portion 7B that the end 8A of its side inserts the operative pin 7 of vehicle outside (link process), formed between the end 8B of the opposite side of bar 8 and the fitting portion 7B of the operative pin 7 of vehicle interior side thus and this fitting portion 7B is drawn in the inner side of axis and the gap of the axis of the end 8B of bar 8 can be embedded in.
Therefore, then, the operative pin 7 of vehicle interior side is moved to the direction of recliner 4 drawing from homonymy, its fitting portion 7B is made to embed the end 8B (slip link process) of the opposite side of bar 8, become thus and make each end 8A, 8B of bar 8 be embedded in state in the fitting portion 7B of two operative pins 7, the state they linked vertically can be formed as.Now, the operative pin 7 of vehicle interior side by its operating axis portion 7A insert into outside from the recliner 4 of homonymy to axis that have from outstanding significantly more than the structure of long state, even if keep out of the way to move to the inner side of axis as described above and make the fitting portion 7B position chimeric with the end 8B of bar 8 (being equivalent to the position of " primary importance " of the present invention), also just retreat to remaining long small position, operating axis portion 7A can not come off from the recliner 4 of homonymy and keep being inserted in the state of recliner 4.
Further, make each end 8A, 8B of the fitting portion 7B of above-mentioned each operative pin 7 and bar 8 chimeric after, by welding these chimeric positions, and each operative pin 7 becomes via bar 8 state that one mutually links.On the other hand, be left the leading section of operating axis portion 7A of operative pin 7 of the vehicle outside from the recliner 4 of vehicle outside state outstanding significantly laterally, the relieving rod 5 for the releasing operation carrying out recliner 4 embeds from outside and welds integratedly.Specifically, relieving rod 5 is formed through the patchhole 5A of the oval shape (Japanese gold coin type) identical with the shape of cross section of the operating axis portion 7A of aforesaid operations pin 7 in the end of its root side, operating axis portion 7A is inserted in this patchhole 5A, relieving rod 5 and operating axis portion 7A are along the chimeric all-in-one-piece state of hand of rotation thus, and by being welded at this chimeric position, relieving rod 5 becomes the state of the leading section being linked to operating axis portion 7A integratedly thus.
As shown in Fig. 6 ~ Fig. 7, peripheral ring 70 by sheet steel stamping-out circlewise, and carries out drawing processing to the outer peripheral portion of the plectane of this stamping-out along thickness of slab direction, forms the cylindrical shape of bit strip seat thus.Specifically, above-mentioned peripheral ring 70 carries out half punch press process by the inner peripheral portion of above-mentioned seat further vertically relative to the outer peripheral portion of seat, and the first press section 71 of the cylindrical portion 12 fitting in ratchet 10 from the outside of axis is formed in the inner peripheral portion of above-mentioned seat, present outer peripheral portion forms the second press section 72 of the cylindrical portion 22 fitting in guiding piece 20 from the inner side of axis.
Ratchet 10 and guiding piece 20 are assembled and install in its cylinder interior by above-mentioned peripheral ring 70 vertically successively, become above-mentioned first press section 71 fits in ratchet 10 cylindrical portion 12 from the outside of axis thus, second press section 72 fits in the state of the cylindrical portion 22 of guiding piece 20 from the inner side of axis, the ring-shaped of this cylindrical shape is assembled across between ratchet 10 and the peripheral part of guiding piece 20.And, above-mentioned peripheral ring 70 by the front end (portion 73 of riveting tightly) of its cylindrical portions with the second press section 72 for fulcrum is riveted tightly to lateral buckling in radial direction, form in the above-mentioned cylindrical portion 22 sandwiching guiding piece 20 between portion 73 and the second press section 72 of riveting tightly the state being integrated and riveting tightly thus, thus above-mentioned peripheral ring 70 one-tenth is integrated the state being assembled in guiding piece 20.
By above-mentioned assembling, the first press section 71 of peripheral ring 70 becomes state right with the lateral surface of the cylindrical portion 12 of ratchet 10 vertically, and ratchet 10 is held in the state that can not rotate with coming off vertically relative to guiding piece 20.In the first press section 71 of above-mentioned peripheral ring 70, at this ratchet 10 with on the edge of the medial surface faced by the lateral surface of cylindrical portion 12, by carrying out half punch press process, outstanding teat 71A equally spaced arranges the multiple positions being formed in circumferencial direction vertically.By these teats 71A, peripheral ring 70 becomes the structure supported vertically by ratchet 10 as close to the state of point cantact, when ratchet 10 in rotary moving, is difficult to produce at the contact part with ratchet 10 resistance that cliding friction causes.
To summarizing above, the seat 1 of the present embodiment becomes following structure.That is, the seat 1 of the present embodiment has: the pair of right and left recliner 4 linked respectively by the matrix (Chain cushion 3) on the body side frame 2F of the left and right sides of back of seat 2 and floor; Be inserted through each recliner 4 vertically and rotated each operative pin 7 carrying out respective releasing operation by axle; By integral with one another for each operative pin 7 the bar 8 linked.A side (operative pin 7 of vehicle interior side) in each operative pin 7 becomes and to insert from the inner side of axis relative to the recliner 4 of homonymy and the operating axis portion 7A linked and the connecting part (fitting portion 7B) that is linked to bar 8 to touching arrange the structure of formation vertically.By making operating axis portion 7A, connecting part (fitting portion 7B) is being moved to touching in the mode that can link between the primary importance (position of Fig. 2) and the second place (position of Fig. 3) making connecting part (fitting portion 7B) be separated vertically from bar 8 of bar 8, and operating axis portion 7A can change the degree of depth of inserting relative to recliner 4, connect to the state that can operate relative to recliner 4 in primary importance (position of Fig. 2).
Like this, a side (operative pin 7 of vehicle interior side) in each operative pin 7 by moving between above-mentioned primary importance (position of Fig. 2) and the second place (position of Fig. 3), and become the structure of inserting the degree of depth that can change relative to recliner 4, even if thus after by integral with one another for each body side frame 2F of back of seat 2 link, the operative pin 7 of each recliner 4 is inserted inside seat each body side frame 2F and insertion rod 8 between which, also can by connected to each other for operative pin 7.
In addition, to be formed operating axis portion 7A relative to the mobile restriction of the axis of recliner 4 to the limiting unit (fitting portion 7B) of the second place (position of Fig. 3) at the operative pin 7 (operative pin 7 of vehicle interior side) of a side.By becoming such structure, utilizing limiting unit (fitting portion 7B), the operative pin 7 (operative pin 7 of vehicle interior side) of a side can be prevented from recliner 4 to coming off outside seat, above-mentioned assembling operation can be carried out easily.
In addition, each operative pin 7 is made up of mutually the same parts.A side (operative pin 7 of vehicle interior side) in each operative pin 7 can move to touching in the mode that can link between the primary importance (position of Fig. 2) and the second place (position of Fig. 3) be separated vertically of bar 8, relative to this, the opposing party's (operative pin 7 of vehicle outside) is linked to bar 8 relative to recliner 4 to insert to the state of inserting the degree of depth being equivalent to the second place, at the relieving rod 5 installing the releasing operation for carrying out recliner 4 from recliner 4 to the remaining part that seat is protruding outside of this operating axis portion 7A.
By becoming such structure, even if the operative pin of a side 7 (operative pin 7 of vehicle interior side) is made up of mutually the same parts with the operative pin 7 (operative pin 7 of vehicle outside) of the opposing party, also can avoid producing the region of stretching out outside seat redundantly from recliner 4.Therefore, it is possible to seat 1 broad ways is formed compactly.
Above, use 1 embodiment to describe embodiments of the present invention, but the present invention in addition to the above described embodiments, can also be implemented by various mode.Such as, recliner of the present invention also goes for the seat beyond the co-pilot seat of self-propelled vehicle, and the various seat used for vehicle such as vehicle, aerocraft, boats and ships beyond the self-propelled vehicle that can be widely applicable for train etc.And the matrix of joint seat chair back, except being located at the Chain cushion on floor, also can be provided at the bracket material etc. on floor.
In addition, recliner can not be the revolving cam rotated together with hinge cam, and be set to the cam utilizing and rotated the sliding type operated in the mode of sliding along specific radial direction by the axle of hinge cam, by ratchet to the inner circumferential flank of tooth pressing of ratchet or the structure that makes ratchet be separated from the inner circumferential flank of tooth of ratchet.The number of above-mentioned ratchet can be more than 2 or 4.And, recliner is not limited to the manually operation shown in above-described embodiment and carries out the structure of the type of the operation unlocked, and also goes for the structure that the openly such scheme mutual engage position of inner gear and external gear being changed with the axle rotation process by being inserted through the operative pin between inner gear and external gear of the documents such as Japanese Unexamined Patent Publication 2010-187906 publication makes the inner gear type that rotate relative to external gear.As long as the arbitrary position of above-mentioned each operative pin in them or the bar that links with them links relieving rod or driver train, manually operation or electric operating carry out axle rotation process.
In addition, the shape of cross section in the operating axis portion of operative pin is not defined as the shape of the oval shape shown in above-described embodiment, can be suitable for the recliner by being inserted through each side vertically yet and be assembled into and can carry out the various shapes such as the polygon of the state of axle rotation process.And operative pin, relative to bar, being not limited to inserting after connecting part by the welding carried out separately along the situation that hand of rotation one links, also can becoming the structure chimeric along hand of rotation one by the insertion of connecting part.And, as long as the connecting part of operative pin being called the structure being linked to bar to touching, also can needing not to be and embed and be linked to the structure of bar.
In addition, as long as the shape of cross section in operating axis portion becomes at least connecting part is connected to the primary importance of touching in bar the shape carrying out the state of axle rotation process in the mode that can link relative to recliner, the shape that same shape of cross section evenly extends vertically also can be formed as.But, when the operative pin of the left and right sides is made up of mutually the same parts, when the operative pin of the opposing party is linked to bar to insert for recliner to the state of inserting the degree of depth being equivalent to the second place, need to become to connect to relative to recliner the shape carrying out the state of axle rotation process in the respective position of primary importance and the second place.
In addition, the body side frame of the left and right sides of back of seat can become the sidepiece in the outside not being them but the sidepiece of inner side is linked to the structure of the matrix on floor respectively via recliner.And each operative pin before the body side frame assembling all-in-one-piece state in the left and right sides by back of seat, can be inserted and is assembled in each recliner vertically.
In addition, in the above-described embodiments, the shape extended radially than operating axis portion is become exemplified with connecting part (fitting portion), the structure that formed by connecting part (fitting portion) of limiting unit thus, but when connecting part becomes the shape than operating axis portion path, the limiting unit of the shape extended radially than operating axis portion can be set between which.
Claims (4)
1. a seat for vehicle, has: pair of right and left recliner (4), the body side frame (2F) of the left and right sides of back of seat (2) and the matrix on floor is linked respectively; Each operative pin (7), is inserted through this each recliner (4) vertically and is rotated the releasing operation carrying out each recliner (4) by axle; And bar (8), link integral with one another for this each operative pin (7),
The feature of described seat for vehicle is,
A side in described each operative pin (7) becomes and arranges operating axis portion and connecting part in the axial direction and the structure that formed, described operating axis portion inserts relative to a side of described recliner (4) and links inside the seat of axis, described connecting part contacts with described bar (8) and links
Move between the primary importance that described connecting part and described bar (8) can be made to contact in the mode that can link with the second place making described connecting part be separated vertically from described bar (8) by making described operating axis portion, and can change relative to described recliner (4) a side insert the degree of depth, described operating axis portion becomes the state linked in the mode that can operate relative to a side of described recliner (4) in described primary importance.
2. seat for vehicle according to claim 1, wherein,
Operative pin (7) for one is formed with limiting unit, described limiting unit by the mobile restriction of the axis of the side relative to described recliner (4) in described operating axis portion to the described second place.
3. seat for vehicle according to claim 1 and 2, wherein,
Described each operative pin (7) is made up of mutually the same parts, the opposing party in described each operative pin (7) be formed as described operating axis portion the opposing party relative to described recliner (4) insert to be equivalent to the described second place insert the degree of depth state under the structure that links with described bar (8), be provided with relieving rod from the remaining part in the other direction seat of described recliner (4) described operating axis portion protruding outside, described relieving rod is for carrying out the releasing operation of the recliner (4) of described two sides.
4. a manufacture method for seat for vehicle, described seat for vehicle has: pair of right and left recliner (4), the body side frame (2F) of the left and right sides of back of seat (2) and the matrix on floor is linked respectively; Each operative pin (7), is inserted through this each recliner (4) vertically and is rotated the releasing operation carrying out each recliner (4) by axle; And bar (8), link integral with one another for this each operative pin (7),
The feature of the manufacture method of described seat for vehicle is, comprises the steps:
By state assembled integrally with each other for the body side frame (2F) of the described left and right sides of described back of seat (2);
Described each operative pin (7) is inserted relative to described each recliner (4) inside the seat of axis and links;
Described bar (8) is made to contact with the side in described each operative pin (7) and link; And
Make the opposing party in described each operative pin (7) towards till making to slide into relative to the direction of inserting depth shallower of the described recliner (4) of correspondence the position contacted with described bar, and link with described bar (8).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014091073A JP6196185B2 (en) | 2014-04-25 | 2014-04-25 | Vehicle seat and manufacturing method thereof |
| JP2014-091073 | 2014-04-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105034865A true CN105034865A (en) | 2015-11-11 |
| CN105034865B CN105034865B (en) | 2017-11-14 |
Family
ID=54261999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510201139.7A Active CN105034865B (en) | 2014-04-25 | 2015-04-24 | Seat for vehicle and its manufacture method |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9701222B2 (en) |
| JP (1) | JP6196185B2 (en) |
| CN (1) | CN105034865B (en) |
| DE (1) | DE102015207421A1 (en) |
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| CN106335410A (en) * | 2016-08-31 | 2017-01-18 | 常州市白宇汽车零部件有限公司 | SPC (Statistical Process Control) angle adjuster |
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| JP6648636B2 (en) * | 2016-05-23 | 2020-02-14 | トヨタ紡織株式会社 | Recliner |
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| US11124093B2 (en) | 2018-08-08 | 2021-09-21 | Fisher & Company, Incorporated | Recliner mechanism for seat assembly and method of manufacturing |
| US11260777B2 (en) | 2018-08-29 | 2022-03-01 | Fisher & Company, Incorporated | Recliner heart for seat recliner assembly |
| US11142103B2 (en) * | 2019-01-17 | 2021-10-12 | Fisher & Company, Incorporated | Cross member for seat recliner assembly |
| US11364577B2 (en) | 2019-02-11 | 2022-06-21 | Fisher & Company, Incorporated | Recliner mechanism for seat assembly and method of manufacturing |
| US11845367B2 (en) | 2019-04-18 | 2023-12-19 | Fisher & Company, Incorporated | Recliner heart having lubricant member |
| US20220227267A1 (en) * | 2019-05-31 | 2022-07-21 | Delta Kogyo Co., Ltd. | Seat recliner structure and vehicle seat |
| US11052797B2 (en) | 2019-08-09 | 2021-07-06 | Fisher & Company, Incorporated | Recliner heart for seat assembly |
| US11192473B2 (en) | 2019-08-30 | 2021-12-07 | Fisher & Company, Incorporated | Release handle for recliner mechanism of vehicle seat |
| US11607976B2 (en) | 2020-03-06 | 2023-03-21 | Fisher & Company, Incorporated | Recliner mechanism having bracket |
| US11766957B2 (en) | 2021-02-16 | 2023-09-26 | Fisher & Company, Incorporated | Release mechanism for seat recliner assembly |
| US11897372B2 (en) | 2021-05-06 | 2024-02-13 | Fisher & Company, Incorporated | Recliner heart having biasing members |
| US11850975B2 (en) | 2021-06-11 | 2023-12-26 | Fisher & Company, Incorporated | Vehicle seat recliner mechanism with welded spring |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20150306987A1 (en) | 2015-10-29 |
| CN105034865B (en) | 2017-11-14 |
| JP6196185B2 (en) | 2017-09-13 |
| JP2015209069A (en) | 2015-11-24 |
| US9701222B2 (en) | 2017-07-11 |
| DE102015207421A1 (en) | 2015-10-29 |
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